217847168

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 583407360

約数和(自身を除く): 365560192

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 31, 32, 44, 46, 56, 62, 64, 77, 88, 92, 112, 124, 128, 154, 161, 176, 184, 217, 224, 248, 253, 308, 322, 341, 352, 368, 434, 448, 496, 506, 616, 644, 682, 704, 713, 736, 868, 896, 961, 992, 1012, 1232, 1288, 1364, 1408, 1426, 1472, 1736, 1771, 1922, 1984, 2024, 2387, 2464, 2576, 2728, 2852, 2944, 3472, 3542, 3844, 3968, 4048, 4774, 4928, 4991, 5152, 5456, 5704, 6727, 6944, 7084, 7688, 7843, 8096, 9548, 9856, 9982, 10304, 10571, 10912, 11408, 13454, 13888, 14168, 15376, 15686, 16192, 19096, 19964, 20608, 21142, 21824, 22103, 22816, 26908, 27776, 28336, 30752, 31372, 32384, 38192, 39928, 42284, 43648, 44206, 45632, 53816, 54901, 56672, 61504, 62744, 73997, 76384, 79856, 84568, 88412, 91264, 107632, 109802, 113344, 123008, 125488, 147994, 152768, 154721, 159712, 169136, 176824, 215264, 219604, 226688, 243133, 250976, 295988, 305536, 309442, 319424, 338272, 353648, 430528, 439208, 486266, 501952, 591976, 618884, 638848, 676544, 707296, 861056, 878416, 972532, 1003904, 1183952, 1237768, 1353088, 1414592, 1701931, 1756832, 1945064, 2367904, 2475536, 2829184, 3403862, 3513664, 3890128, 4735808, 4951072, 6807724, 7027328, 7780256, 9471616, 9902144, 13615448, 15560512, 19804288, 27230896, 31121024, 54461792, 108923584, 217847168]

約数ペア:

[(1, 217847168), (2, 108923584), (4, 54461792), (7, 31121024), (8, 27230896), (11, 19804288), (14, 15560512), (16, 13615448), (22, 9902144), (23, 9471616), (28, 7780256), (31, 7027328), (32, 6807724), (44, 4951072), (46, 4735808), (56, 3890128), (62, 3513664), (64, 3403862), (77, 2829184), (88, 2475536), (92, 2367904), (112, 1945064), (124, 1756832), (128, 1701931), (154, 1414592), (161, 1353088), (176, 1237768), (184, 1183952), (217, 1003904), (224, 972532), (248, 878416), (253, 861056), (308, 707296), (322, 676544), (341, 638848), (352, 618884), (368, 591976), (434, 501952), (448, 486266), (496, 439208), (506, 430528), (616, 353648), (644, 338272), (682, 319424), (704, 309442), (713, 305536), (736, 295988), (868, 250976), (896, 243133), (961, 226688), (992, 219604), (1012, 215264), (1232, 176824), (1288, 169136), (1364, 159712), (1408, 154721), (1426, 152768), (1472, 147994), (1736, 125488), (1771, 123008), (1922, 113344), (1984, 109802), (2024, 107632), (2387, 91264), (2464, 88412), (2576, 84568), (2728, 79856), (2852, 76384), (2944, 73997), (3472, 62744), (3542, 61504), (3844, 56672), (3968, 54901), (4048, 53816), (4774, 45632), (4928, 44206), (4991, 43648), (5152, 42284), (5456, 39928), (5704, 38192), (6727, 32384), (6944, 31372), (7084, 30752), (7688, 28336), (7843, 27776), (8096, 26908), (9548, 22816), (9856, 22103), (9982, 21824), (10304, 21142), (10571, 20608), (10912, 19964), (11408, 19096), (13454, 16192), (13888, 15686), (14168, 15376)]